| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 4Q25 | 19,926 | +11.4% |
| 3Q25 | 25,885 | +26.1% |
| 2Q25 | 26,327 | +15.7% |
| 1Q25 | 23,189 | +20.4% |
| 4Q24 | 17,885 | -25.3% |
| 3Q24 | 20,530 | +1.4% |
| 2Q24 | 22,762 | +10.8% |
| 1Q24 | 19,266 | +8.0% |
| 4Q23 | 23,953 | +30.8% |
| 3Q23 | 20,237 | +2.1% |
| 2Q23 | 20,545 | +13.2% |
| 1Q23 | 17,842 | -7.2% |
| 4Q22 | 18,318 | -2.1% |
| 3Q22 | 19,821 | -11.4% |
| 2Q22 | 18,146 | -27.1% |
| 1Q22 | 19,229 | -21.0% |
| 4Q21 | 18,718 | -13.7% |
| 3Q21 | 22,375 | +39.7% |
| 2Q21 | 24,879 | +43.5% |
| 1Q21 | 24,349 | +169.4% |
| 4Q20 | 21,679 | -219.5% |
| 3Q20 | 16,021 | +22.9% |
| 2Q20 | 17,336 | -13.1% |
| 1Q20 | 9,037 | -24.9% |
| 4Q19 | -18,149 | -265.2% |
| 3Q19 | 13,032 | +0.6% |
| 2Q19 | 19,941 | +34.7% |
| 1Q19 | 12,035 | +23.5% |
| 4Q18 | 10,983 | +2.3% |
| 3Q18 | 12,958 | -9.9% |
| 2Q18 | 14,802 | +8.6% |
| 1Q18 | 9,741 | -9.4% |
| 4Q17 | 10,732 | +7.2% |
| 3Q17 | 14,376 | +20.9% |
| 2Q17 | 13,635 | +26.5% |
| 1Q17 | 10,757 | -1.4% |
| 4Q16 | 10,009 | - |
| 3Q16 | 11,891 | - |
| 2Q16 | 10,776 | - |
| 1Q16 | 10,909 | - |